Knauf Full fill cavity insulation 1200mm 455mm 100mm

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Knauf Full fill cavity insulation 1200mm 455mm 100mm

Product code:
Knauf Full fill cavity insulation 1200mm 455mm 100mm



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Product Details

Product Information

This Full fill cavity insulation;Earthwool DriTherm cavity slabs are semi rigid slabs of non-combustible glass mineral wool

  • Insulation

Features and Benefits

  • Non combustible euroclass A1
  • Low cost, quick and easy to install
  • Slabs fully fill the cavity and knit together at joints, preventing air movement and infiltration through or around the insulation
  • Slabs "knit" together to eliminate air gaps between adjacent slabs
  • Slab is 455mm wide to suit standard vertical wall tie spacings, ensuring a closed joint with adjacent slabs
  • Insulation can make your home more energy efficient - and feel warmer.

Technical Specifications

Technical specification of Knauf Full fill cavity insulation 1200mm 455mm 100mm
Length (mm) 1200mm
Width (mm) 455mm
Thickness (mm) 100mm
Material Glass mineral wool
Brand Knauf
Standard EN13162
R-value 2.7m²K/W
BBR Green Guide rating A+ (credit awarded)
Euroclass fire performance rating No sustained flaming (A1)
ODP Zero ozone depletion potential
GWP Zero global warming potential

Help & Advice

Loft Insulation Calculator

Your requirements

1. the dimensions of the loft space to be insulated in metres:
2. Current loft insulation thickness in mm:

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  • 00 square metres
  • required

This calculation is based on the dimensions you have entered for your loft space, and the current loft insulation thickness.

How to guides

How to lay loft floor insulation

How to lay loft floor insulation

Insulating the loft can seem like an unappealing job, but saving money on your utility bills always sounds good. If your home’s without loft insulation, you could be losing up to a quarter of your home’s heat through your roof*. This makes insulating your loft one of the most effective ways to reduce heating bills and be more energy-efficient. And even if you already have some existing insulation, it’s key to have the optimum amount for it to be truly effective.

In this guide, we’ll walk you through everything you need to know to lay loft floor insulation. Also known as ‘cold roof’ insulation, insulation is fitted to the floor of the loft trapping the heat in the main part of the house and away from the loft. This is ideal if you don’t use your loft at all, or only for the storage of non-perishable items.

The alternative is ceiling, or ‘warm roof’ insulation. This is fitted above the rafters and keeps the heat in the loft. It uses different types of insulation to loft floor and is used in loft conversions to make the space into a habitable living area. This isn’t explored in this article.

Our guide includes step-by-step advice on how to:

  • Work out how much existing loft floor insulation you already have
  • Confirm how much new insulation you need
  • Lay, and cut, two different types of loft floor insulation – rolls of insulation and insulated loft floor boards
  • Lay loft floor insulation around cables and recessed downlights.

Let’s get started…

"Rolls of loft insulation and tools for loft insulation project in loft" *Source: Energy Saving Trust, 2017.

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